Paypal Payflow URL Update

Paypal URL has changed, see this old topic from Zen Cart

http://www.zen-cart.com/showthread.php?123576-Payflow-Pro-URL-Change-Update-for-Payflow-and-PayPal-UK-users-Update-by-Sept-2009

Was getting a cURL unknown host error with the old URL, the Paypal Pro UK module is now working correctly for me, might need updating on the non-UK module too but I can't test that one.